Home / 3,571.10-4,921.44-2,574.68

Finding the Fourth Proportional to 3,571.10, 4,921.44 and 2,574.68

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Solution

The fourth proportional to 3,571.10, 4,921.44 and 2,574.68 is: 3,548.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.10 : 4,921.44 = 2,574.68 : x
  2. Step 2: Convert to fraction form
    3,571.10/4,921.44 = 2,574.68/x
  3. Step 3: Cross multiply
    3,571.10x = 4,921.44 × 2,574.68
  4. Step 4: Simplify right side
    3,571.10x = 12,671,133.14
  5. Step 5: Solve for x
    x = 12,671,133.14/3,571.10
  6. Step 6: Final answer
    x = 3,548.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.